10
Cover the cup mouth with a piece of glass cleaned by petroleum ether.
Shake the cup evenly for one minute with certain force.
Pour away the left oil sample and then the test starts.
2. Agitating Blade Cleaning Method.
⑴
Wipe the agitating blade again and again with clean silk cloth until fine
particles are not found on their surfaces. It is forbidden to touch the
surfaces with hands.
⑵
Use forceps to clamp the blade; put them into petroleum ether and
wash.
⑶
Use forceps to clamp the blade and dry them with a blower.
⑷
Use forceps to clamp the blade; put them into the oil sample to be tested
and wash.
3. Oil Cup Storage
Method 1 Fill the cup with good insulating oil after the test is finished and
place it stable.
Method 2 Clean and dry the cup under the above procedures and then put it
into a vacuum dryer.
Note: The oil cup and agitating blade shall be cleaned under the above
procedures after the first test and tests with poor oil.
4
、
Common Fault Clearances
⑴
Power light off, screen display off
①
Check the plugging of power plug.
②
Check the condition of the protector tube inside the power plug.
③
Check the socket electricity.
⑵
No punch through oil cup
①
Check inserting of connectors on circuit board.
②
Check contacting of cap high-voltage switch.
③
Check attracting of high-voltage contacts.
